Education Technology

Key Curriculum Press Discovering Algebra: Decreasing Exponential Models and Half-Life

Published on 01/18/2009

Activity Overview

Key Curriculum Press Discovering Algebra Lesson 7.8: Decreasing Exponential Models and Half-Life is from Chapter 7: Exponents and Exponential Models. Students will explore exponential equations that model real-world decay data.

Before the Activity

Review the Teacher Resources and Calculator Note PDF files.
Make copies of the Student Activity PDF file for your class.
Transfer the Program files to student calculators using TI Connect™, with a connectivity cable and unit-to-unit cables.

During the Activity

  • Explore exponential equations that model real-world decay data


  • Directions:
  • Distribute the student activity sheets
  • Follow the procedures as outlined
  • After the Activity

    As a class, review student answers, discussing questions that appeared to be more challenging, and re-teaching as needed.